While abundant differences occur between people from various countries, the method and timing of project communications are of interest here. For example, Mueller and Turner studied how cultural differences impact preferred modes of project management communication. They examined how collectivism versus individualism, along with the extent individuals in various cultures accept unequal power and ambiguity, impact project communication preferences. The result show that country preferences can be shown in four categories with common preferences on frequency and type of communications for each group as shown in next figure. .
